Any customers who received and Air Travel Organisers' Licensing (ATOL) certificate when booking with the now bust Student Adventures travel company are protected for the money they paid directly to the company, according to the Civil Aviation Authority.
They said that GBCE, Student Adventures parent company held an ATOL certificate until March 31 this year.
They added: "Consumers who received an ATOL certificate when booking are protected for any money they paid directly to the company."
"We understand there are approximately 100 consumers currently abroad, but these people will have scheduled airline tickets so will be able to travel home as planned. We are looking into the impact on forward bookings and will publish advice for consumers who are yet to travel shortly."
More top news
Protesters across Europe and the rest of the globe held women's marches following the inauguration of President Trump.
A look at some of the inventive, and sometimes humourous, placards displayed in women's marches across the UK.
Irish police have seized £32 million worth of cannabis hidden in farm machinery on board a ship docking in Dublin.